<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box"><img src="../assets/1.jpg" alt="" /></div>
      <!-- 登录表单区域 -->
      <div>
        <el-form
          ref="loginFormRef"
          :model="loginForm"
          label-width="0px"
          class="login_form"
          :rules="loginFormRules"
        >
          <el-form-item prop="username">
            <el-input
              prefix-icon="iconfont icon-user"
              v-model="loginForm.username"
            ></el-input>
          </el-form-item>
          <el-form-item prop="password">
            <!-- 这里加show-password添加一个显示密码明文 -->
            <el-input
              type="password"
              prefix-icon="iconfont icon-3702mima"
              v-model="loginForm.password"
              show-password
            >
            </el-input>
          </el-form-item>
          <el-form-item class="btns">
            <el-button type="primary" @click="login">登录</el-button>
            <el-button type="info" @click="reset">重置</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: 'xzc',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录用户', trigger: 'blur' },
          {
            min: 1,
            max: 10,
            message: '长度在 3 到 10 个字符',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入登录密码', trigger: 'blur' },
          {
            min: 3,
            max: 15,
            message: '长度在 6 到 15 个字符',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  methods: {
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (valid) {
          // 之前的代码
          const { data: res } = await this.$http.post(
            '/user/login',
            this.loginForm
          )
          if (res.code !== 1) {
            return this.$message.error('登录失败,请重新登录')
          } else {
            this.$message.success('登录成功')
          }

          // 保存token
          if (res.data.username === 'admin') {
            window.sessionStorage.setItem('token', -1)
          } else {
            window.sessionStorage.setItem('token', res.data.id)
          }

          // 进入首页
          this.$router.push('/home')
        }
      })
    },
    reset() {
      this.$refs.loginFormRef.resetFields()
    }
  }
}
</script>
<style lang="less" scoped>
.login_container {
  background-color: #2d4d6d;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 30px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    border-radius: 50%;
    background-color: #fff;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);

    img {
      height: 100%;
      width: 100%;
      border-radius: 50%;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
